.portfolio {
  background: var(--bg-secondary);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-4xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  background: var(--card-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  transition: var(--transition);
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  transition: min-height 0.3s ease;
  justify-content: center;
}

.portfolio-grid:has(.portfolio-item:nth-child(1):nth-last-child(1)) {
  grid-template-columns: minmax(320px, 400px);
  justify-content: center;
}

.portfolio-grid:has(.portfolio-item:nth-child(2):nth-last-child(1)) {
  justify-content: center;
}

.portfolio-item {
  background: var(--card-bg);
  border-radius: var(--radius-organic);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
  text-decoration: none;
  color: inherit;
  width: 100%;
}

.portfolio-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  text-decoration: none;
  color: inherit;
}

.portfolio-image {
  position: relative;
  overflow: hidden;
  height: 250px;
  border-radius: var(--radius-flowing);
  flex-shrink: 0;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: var(--transition);
  display: block;
}

.portfolio-image img[src="assets/images/alpha.jpg"] {
  object-fit: cover;
  object-position: center top;
  transform: scale(1.3);
}

.portfolio-image img[src="assets/images/drakarol.jpg"] {
  object-fit: cover;
  object-position: center 20%;
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.1);
}

.portfolio-item:hover .portfolio-image img[src="assets/images/alpha.jpg"] {
  transform: scale(1.4);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(102, 126, 234, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  opacity: 0;
  transition: var(--transition);
  z-index: 1;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-action {
  width: 48px;
  height: 48px;
  background: var(--white);
  color: var(--primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.portfolio-action:hover {
  transform: scale(1.1);
}

.overlay-btn {
  width: 50px;
  height: 50px;
  background: var(--white);
  color: var(--primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.overlay-btn:hover {
  transform: scale(1.1);
}

.portfolio-content {
  padding: var(--space-xl);
  text-align: center;
  color: var(--white);
}

.portfolio-content h3 {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.portfolio-content p {
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
  opacity: 0.9;
}

.portfolio-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.portfolio-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.portfolio-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.portfolio-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.portfolio-tags {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.portfolio-tags span {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
}

.tech-tag {
  background: var(--bg-secondary);
  color: var(--text-muted);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.portfolio-item.coming-soon {
  cursor: default;
  opacity: 0.8;
}

.portfolio-item.coming-soon:hover {
  transform: translateY(-4px);
}

.coming-soon-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--gray-600);
  background: var(--gray-50);
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

[data-theme="dark"] .coming-soon-content {
  color: var(--gray-400);
  background: var(--gray-800);
  border-color: var(--gray-600);
}

.coming-soon-content i {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  color: var(--gray-400);
}

.coming-soon-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--gray-700);
}

[data-theme="dark"] .coming-soon-content h3 {
  color: var(--gray-300);
}

.coming-soon-content p {
  font-size: 0.875rem;
  color: var(--gray-500);
  font-style: italic;
}

.portfolio-item.coming-soon .portfolio-overlay {
  background: rgba(59, 130, 246, 0.9);
}

.portfolio-links {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

.portfolio-link {
  width: 50px;
  height: 50px;
  background: var(--white);
  color: var(--primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 1.125rem;
}

.portfolio-link:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.portfolio-info {
  display: block;
  padding: var(--space-md);
  text-align: center;
  background: var(--card-bg);
}

.portfolio-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.portfolio-info p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }
  
  .portfolio-grid:has(.portfolio-item:nth-child(1):nth-last-child(1)) {
    grid-template-columns: minmax(320px, 500px);
    justify-content: center;
  }
  
  .portfolio-info {
    display: none;
  }
}

@media (min-width: 1200px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    max-width: 1400px;
    margin: var(--space-2xl) auto 0;
  }
  
  .portfolio-grid:has(.portfolio-item:nth-child(1):nth-last-child(1)) {
    grid-template-columns: minmax(320px, 500px);
    justify-content: center;
  }
  
  .portfolio-grid:has(.portfolio-item:nth-child(2):nth-last-child(1)) {
    grid-template-columns: repeat(2, minmax(320px, 500px));
    justify-content: center;
  }
}